Spool buffer Hartpa 2

Spool buffer Hartpa V2
The purpose of the device is to reverse the loose filament when printing a 3D printer of Pruša MMU. It prevents the filaments of different colors from tangled.
Parts List:
Printed parts (PLA)
1 Spine 1 pc
2 Arm 1 pc
3 Frame 1 pc
4 SpoolHolder 1 pc
5 Nut 1 pc
6 Router 1 pc
Part made of sheet steel
7 BearingBase 2 pcs
Finished parts
8 Ball Bearing 8/22x7 4 pcs
9 Screw M8 x 60 2 pcs
10 Washer for M8 4 pcs
11 Nut M8 Low 2 pcs
12 Rubber B